characterised by the shape of the base, e.g. arrangement of perforations, jags

Full Title

Photosensitive materials (photosensitive materials for multicolour processes G03C7/00; for diffusion transfer processes G03C8/00; photosensitive glass C03C4/04) > Photosensitive materials characterised by the base or auxiliary layers > characterised by the shape of the base, e.g. arrangement of perforations, jags